It doesn't matter which company you bought the security system from. If it's made in China, they all have the same NVR software. So in my system there was a weak signal on the two farthest cameras. I tried these bazooka antennas. Nothing. I have tried antennas with a 10 foot drop wire. Nothing. I really needed her to work. But they are not for my cameras. I actually updated the firmware and it worked better than this. I'm not saying they're bad. They just didn't work for my system. Maybe they will be for you. But if you already have cameras installed, prepare to disable them one by one to "MATCH" NVRI, I think it's time to upgrade my router or ISP.
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